CN214513187U

CN214513187U - Primary separator of offshore oil production platform based on CFD simulation

Info

Publication number: CN214513187U
Application number: CN202120568946.3U
Authority: CN
Inventors: 常士龙; 伍晓明
Original assignee: Richform Offshore Industries Tianjin Co ltd
Current assignee: Richform Offshore Industries Tianjin Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-10-29
Anticipated expiration: 2031-03-19

Abstract

The utility model discloses an offshore oil production platform one-level separator based on CFD simulation, including separator casing and three-phase disengagement zone, the left side top of separator casing is provided with the feed inlet, and is provided with the drain below the left side of separator casing, the internally mounted of separator casing has the cowling panel, and the right side of cowling panel is provided with the three-phase disengagement zone, the inside arrangement of three-phase disengagement zone has driving motor, and driving motor's right side is connected with the eccentric wheel, the right side of eccentric wheel is connected with the vibrations pole, and the right side of vibrations pole is provided with the support frame, the defoaming filter screen is installed to the top of water level sideboard. In this kind of marine oil production platform one-level separator based on CFD simulation, through the cowling panel that sets up, can be to the raw materials that adds from the feed inlet, carry out the rectification in the separator casing to carry out the initial gross separation, can be with the separation of the large-scale impurity in the raw materials moreover, the raw materials of being convenient for deposit in the three-phase separation zone.

Description

Primary separator of offshore oil production platform based on CFD simulation

Technical Field

The utility model relates to a CFD simulation technology field specifically is an offshore oil production platform one-level separator based on CFD simulation.

Background

The CFD is an analog simulation technology, and is mainly applied to heating ventilation and air conditioning engineering to simulate and predict the flow condition of air or other working fluid indoors and outdoors or in equipment. CFD has been developed along with the development of computer technology and numerical computing technology. In short, CFD is equivalent to "virtually" experiments in computers to simulate real fluid flow conditions. The basic principle is to solve the differential equation for controlling the fluid flow by numerical value to obtain the discrete distribution of the flow field of the fluid flow on a continuous area, thereby approximately simulating the fluid flow condition. CFD can be considered as one of the modern analog simulation techniques. The existing offshore oil production platform separator can only automatically settle to separate in use, so that the oil, water and gas separation efficiency is low, the oil, water and gas are not completely separated, bubbles are easily entrained by an oil outlet when oil is discharged, oil liquid is easily entrained by a water outlet when water is discharged, the use requirements of people cannot be well met, and technical innovation is performed on the basis of the existing offshore oil production platform separator according to the above conditions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an offshore oil production platform one-level separator based on CFD simulation to propose current offshore oil production platform separator in use among the above-mentioned background art of solution, generally can only let its autoprecipitate separate, thereby result in oil, water and gas separation efficiency ratio lower, and oil, water and gas separation are not thorough, the bubble is smugglied secretly easily to the oil export when the oil extraction, fluid is smugglied secretly easily to the water export when the drainage, the user demand problem of satisfying people that can not be fine.

In order to achieve the above object, the utility model provides a following technical scheme: a CFD simulation-based primary separator of an offshore oil production platform comprises a separator shell and a three-phase separation area, wherein a feed inlet is arranged above the left side of the separator shell, and a sewage draining outlet is arranged at the lower part of the left side of the separator shell, a rectifying plate is arranged in the separator shell, and the right side of the rectifying plate is provided with a three-phase separation area, the interior of the three-phase separation area is provided with a driving motor, the right side of the driving motor is connected with an eccentric wheel, the right side of the eccentric wheel is connected with a vibration rod, the right side of the vibration rod is provided with a supporting frame, a water outlet is arranged below the three-phase separation zone, and the right side of the three-phase separation zone is provided with a water level baffle plate, a defoaming filter screen is arranged above the water level baffle plate, and the right side of the water level baffle is provided with an oil outlet, a gas outlet is arranged above the oil outlet, and a gas filter plate is arranged in the gas outlet.

Constitute the intercommunication structure between the inside of feed inlet and separator casing, and the outer wall of cowling panel closely laminates with the inner wall of separator casing.

The vibration rod forms a rotating structure with the separator shell through the eccentric wheel, and the vibration rod is movably connected with the supporting frame.

The outer walls of the separator shell and the water level baffle are tightly attached, the defoaming filter screen penetrates through the outer surface of the water level baffle, and the end face structure of the defoaming filter screen is a hollow mesh structure.

Constitute the block structure between gas filter and the gas outlet, and the lower terminal surface of gas outlet is conical structure to the end face structure of gas filter is protruding thorn shape structure.

The drain runs through in the inside of separator casing, and is symmetrical about the horizontal central line of separator casing between drain and the feed inlet.

Compared with the prior art, the beneficial effects of the utility model are as follows: through the arranged rectifying plate, the raw materials added from the feed inlet can be rectified in the separator shell, so that the raw materials are preliminarily separated, and large impurities in the raw materials can be blocked, so that the raw materials can be conveniently precipitated in the three-phase separation area; the vibration rod can be driven to vibrate in the separator shell through the arranged eccentric wheel, and the support frame can limit the vibration range of the vibration rod, so that the vibration rod slightly vibrates in the separator shell, and the oil, water and gas separation efficiency is improved; the water level baffle plate can block the separated water and prevent the water from being discharged out of the shell of the separator together with the oil; the defoaming filter screen can eliminate bubbles entrained in the passing oil, so that the oil is prevented from being discharged to cause entrained gas; the separated gas can be led out of the shell of the separator through the arranged gas outlet, and the gas filter plate can adsorb the water vapor of the gas, so that the gas is prevented from carrying oil liquid to pollute the air; through the drain that passes through that sets up, can discharge the separator casing with the large-scale impurity that the cowling panel stopped outside to prevent that the greasy dirt from causing the jam in the separator casing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the gas filtering plate of the present invention;

FIG. 3 is a schematic view of the water level barrier of the present invention;

FIG. 4 is a schematic view of the eccentric wheel structure of the present invention;

fig. 5 is a schematic view of a part a of the enlarged structure of fig. 1 according to the present invention.

In the figure: 1. a separator housing; 2. a feed inlet; 3. a sewage draining outlet; 4. a rectifying plate; 5. a three-phase separation zone; 6. a drive motor; 7. an eccentric wheel; 8. a vibration rod; 9. a support frame; 10. a water outlet; 11. a water level barrier; 12. defoaming filter screens; 13. an oil outlet; 14. a gas outlet; 15. a gas filter plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a primary separator of an offshore oil production platform based on CFD simulation comprises a separator shell 1 and a three-phase separation area 5, wherein a feed inlet 2 is arranged above the left side of the separator shell 1, a sewage outlet 3 is arranged below the left side of the separator shell 1, a rectifying plate 4 is installed inside the separator shell 1, the right side of the rectifying plate 4 is provided with the three-phase separation area 5, a driving motor 6 is arranged inside the three-phase separation area 5, the right side of the driving motor 6 is connected with an eccentric wheel 7, the right side of the eccentric wheel 7 is connected with a vibrating rod 8, a support frame 9 is arranged on the right side of the vibrating rod 8, a water outlet 10 is arranged below the three-phase separation area 5, a water level baffle plate 11 is installed on the right side of the three-phase separation area 5, a defoaming filter screen 12 is installed above the water level baffle plate 11, an oil outlet 13 is arranged on the right side of the water level baffle plate 11, and a gas outlet 14 is arranged above the oil outlet 13, and a gas filter plate 15 is installed inside the gas outlet 14.

The utility model discloses in: a communicating structure is formed between the feed port 2 and the inside of the separator shell 1, and the outer wall of the rectifying plate 4 is tightly attached to the inner wall of the separator shell 1; the cowling panel 4 can carry out the rectification to the raw materials that adds in from feed inlet 2 in separator casing 1 to carry out preliminary separation, can be with the separation of the large-scale impurity in the raw materials moreover, the raw materials of being convenient for deposit in three-phase separation zone 5.

The utility model discloses in: the vibration rod 8 forms a rotating structure with the separator shell 1 through the eccentric wheel 7, and the vibration rod 8 is movably connected with the supporting frame 9; the eccentric wheel 7 can drive the vibration rod 8 to vibrate in the separator shell 1, and the supporting frame 9 can limit the vibration range of the vibration rod 8, so that the vibration rod 8 slightly vibrates in the separator shell 1, and the oil, water and gas separation efficiency is improved.

The utility model discloses in: the separator shell 1 is tightly attached to the outer wall of the water level baffle plate 11, the defoaming filter screen 12 penetrates through the outer surface of the water level baffle plate 11, and the end face structure of the defoaming filter screen 12 is a hollow net structure; the water level barrier 11 can block the separated water and prevent the water from being discharged out of the separator housing 1 together with the oil; and the defoaming filter screen 12 can eliminate bubbles entrained in the passing oil, thereby preventing the oil from being discharged to cause entrained gas.

The utility model discloses in: a clamping structure is formed between the gas filtering plate 15 and the gas outlet 14, the lower end surface of the gas outlet 14 is of a conical structure, and the end surface structure of the gas filtering plate 15 is of a convex thorn-shaped structure; the gas outlet 14 can lead the separated gas out of the separator shell 1, and the gas filter plate 15 can adsorb the vapor of the gas, thereby preventing the gas from carrying oil to pollute the air.

The utility model discloses in: the sewage draining outlet 3 penetrates through the interior of the separator shell 1, and the sewage draining outlet 3 and the feed inlet 2 are symmetrical about the horizontal central line of the separator shell 1; the large impurities blocked by the rectifying plate 4 can be discharged out of the separator shell 1 through the sewage outlet 3, so that the oil stain is prevented from being blocked in the separator shell 1.

The working principle of the primary separator of the offshore oil production platform based on CFD simulation is as follows: firstly, raw materials are poured into a separator shell 1 through a feeding hole 2, the raw materials flow into a three-phase separation area 5 after being rectified by a rectifying plate 4, and a support frame 9 can limit the position of a vibration rod 8 and prevent the vibration amplitude of the vibration rod 8 from being too large; then, the driving motor 6 is turned on, the eccentric wheel 7 drives the vibration rod 8 to slightly vibrate in the separator shell 1, so that the separation of oil, water and gas of the raw materials in the three-phase separation zone 5 is accelerated, the water can be discharged out of the separator shell 1 through the water outlet 10, and the water level baffle plate 11 can block the water to prevent the water from flowing out of the three-phase separation zone 5; then, when the oil liquid passes through the water level baffle plate 11, the oil liquid flows out of the three-phase separation area 5 through the defoaming filter screen 12, and after flowing out of the three-phase separation area 5, the oil liquid can be discharged out of the separator shell 1 through the oil outlet 13, and the defoaming filter screen 12 can eliminate bubbles in the oil liquid to prevent the oil liquid from carrying gas; finally, the separated gas is filtered to remove moisture through the gas filter plate 15, then flows out of the separator shell 1 through the gas outlet 14, and large impurities blocked by the rectifying plate 4 can be discharged through the sewage outlet 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an offshore oil production platform one-level separator based on CFD simulation, includes separator casing (1), feed inlet (2), drain (3), cowling panel (4), three-phase separation district (5), driving motor (6), eccentric wheel (7), vibrations pole (8), support frame (9), water outlet (10), water level sideboard (11), defoaming filter screen (12), oil export (13), gas outlet (14) and gas filter (15), its characterized in that: a feed inlet (2) is arranged above the left side of the separator shell (1), a sewage discharge outlet (3) is arranged below the left side of the separator shell (1), a rectifying plate (4) is arranged inside the separator shell (1), a three-phase separation area (5) is arranged on the right side of the rectifying plate (4), a driving motor (6) is arranged inside the three-phase separation area (5), an eccentric wheel (7) is connected to the right side of the driving motor (6), a vibrating rod (8) is connected to the right side of the eccentric wheel (7), a support frame (9) is arranged on the right side of the vibrating rod (8), a water outlet (10) is arranged below the three-phase separation area (5), a water level baffle plate (11) is arranged on the right side of the three-phase separation area (5), a defoaming filter screen (12) is arranged above the water level baffle plate (11), and an oil outlet (13) is arranged on the right side of the water level baffle plate (11), and a gas outlet (14) is arranged above the oil outlet (13), and a gas filtering plate (15) is arranged inside the gas outlet (14).

2. The offshore production platform primary separator based on CFD simulation of claim 1, wherein: the sewage draining outlet (3) penetrates through the inside of the separator shell (1), and the sewage draining outlet (3) and the feeding hole (2) are symmetrical about the horizontal center line of the separator shell (1).

3. The offshore production platform primary separator based on CFD simulation of claim 1, wherein: constitute the block structure between gas filter (15) and gas outlet (14), and the lower terminal surface of gas outlet (14) is conical structure to the terminal surface structure of gas filter (15) is protruding thorn shape structure.

4. The offshore production platform primary separator based on CFD simulation of claim 1, wherein: the separator shell (1) is tightly attached to the outer wall of the water level baffle plate (11), the defoaming filter screen (12) penetrates through the outer surface of the water level baffle plate (11), and the end face structure of the defoaming filter screen (12) is of a hollow mesh structure.

5. The offshore production platform primary separator based on CFD simulation of claim 1, wherein: the vibration rod (8) forms a rotating structure with the separator shell (1) through the eccentric wheel (7), and the vibration rod (8) is movably connected with the supporting frame (9).

6. The offshore production platform primary separator based on CFD simulation of claim 1, wherein: the sewage draining outlet (3) penetrates through the inside of the separator shell (1), and the sewage draining outlet (3) and the feeding hole (2) are symmetrical about the horizontal center line of the separator shell (1).